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The ileocecal fold (or ileocaecal fold) is an anatomical structure of the human abdomen formed by a layer of peritoneum between the ileum and cecum.The upper border of the ileocecal fold is fixed to the ileum opposite its mesenteric attachment, and the lower border passes over the ileocecal junction to join the mesentery of the appendix (and sometimes the appendix itself as well).
Anatomy figure: 37:06-09 at Human Anatomy Online, SUNY Downstate Medical Center—"The larger intestine." Anatomy figure: 39:05-09 at Human Anatomy Online, SUNY Downstate Medical Center—"The cecum with the distal portion of the ileum." Anatomy photo:39:14-0101 at the SUNY Downstate Medical Center—"Incisions of the Cecum"
The ileum follows the duodenum and jejunum and is separated from the cecum by the ileocecal valve (ICV). In humans, the ileum is about 2–4 m long, and the pH is usually between 7 and 8 (neutral or slightly basic). Ileum is derived from the Greek word εἰλεός (eileós), referring to a medical condition known as ileus. [citation needed]
Cecum and beginning of ascending colon. The cecum is a pouch marking the division between the small intestine and the large intestine. It lies below the ileocecal valve in the lower right quadrant of the abdomen. [33] The cecum receives chyme from the last part of the small intestine, the ileum, and connects to the ascending colon of the large ...
(b) anterior ileocolic, usually of three glands, in the ileocolic fold, near the wall of the cecum; (c) posterior ileocolic, mostly placed in the angle between the ileum and the colon, but partly lying behind the cecum at its junction with the ascending colon; (d) a single gland, between the layers of the mesenteriole of the appendix;
The final part of the small intestine is the ileum, which leads into the large intestine. The ileum leads to the ileum cecum valve, which is the beginning of the large intestine. The large intestine, also known as the large bowel, is the last part of the gastrointestinal (GI) tract and of the digestive system.
The ileocecal valve is typically located on the last fold before entry into the cecum and can be located from the direction of curvature of the appendiceal orifice, in what is known as the bow and arrow sign. [4] Intubation of the ileocecal valve is typically performed in colonoscopy to evaluate the distal, or lowest, part of the ileum.
The cranial portion of the loop will develop into the jejunum and most of the ileum, while the caudal part of the loop eventually forms the terminal portion of the ileum, the ascending colon and the initial two-thirds of the transverse colon. As the foetus grows larger, the mid-gut loop is drawn back through the umbilicus and undergoes a ...